CN113426559B - Sheet material feed arrangement and gypsum board waste disposal system - Google Patents

Abstract

A board feed device and a gypsum board waste treatment system are provided. The plate feeding device comprises a feeding cylinder, wherein one end of the feeding cylinder is provided with an inlet for the plate to enter, and the other end of the feeding cylinder is provided with an outlet for the plate to flow out; the sheet material feeding device also comprises a driving device and an elastic assembly, and the driving device and the elastic assembly are both arranged outside the feeding cylinder; the feeding cylinder comprises a flexible ring and a first cylinder body which are sequentially connected, an inlet is arranged on the flexible ring, an outlet is arranged on the first cylinder body, and the flexible ring is bent along the axial direction of the feeding cylinder; one end of the elastic component is connected with one end of the first cylinder body, which is far away from the flexible ring; the output end of the driving device resets after applying a first acting force to the first cylinder, and the feeding cylinder reciprocates under the driving of the restoring force of the elastic component. The plate feeding device can avoid the problem that the waste plate treatment and recovery efficiency is reduced due to the failure of the clamping plate, and the cost for recycling the waste plate is also saved.

Description

Sheet material feed arrangement and gypsum board waste disposal system

Technical Field

This paper relates to but not the restriction production facility technical field, especially relates to a sheet feeding device and gypsum board waste disposal system.

Background

A large amount of waste boards are generated in the production process of the gypsum board, and the waste boards comprise a board control head, two control boards and three control unqualified products. The three-control unqualified product accounts for 60% of the whole waste plate, the two-control waste plate accounts for 30% of the whole waste plate, and the waste plates generated in the different processes need to be recycled in the recycling process of the whole waste plate.

And conveying the waste plates after coarse crushing treatment to a crushing device for secondary crushing and refining treatment. The existing crushing device adopts a manual feeding mode, namely the feeding amount of the crushing device is manually controlled, so that the feeding amount has great uncertainty. In addition, the existing crushing device is not provided with an anti-blocking structure aiming at the waste plates, when manual feeding is too much in one time, or the blanking direction of a large-size plate is improper, the feeding port of the crushing device is partially blocked or completely blocked, the waste plate treatment and recovery efficiency is seriously influenced, and the waste plate recycling cost is increased.

The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.

Disclosure of Invention

The embodiment of the application provides a plate feeding device which comprises a feeding cylinder, wherein one end of the feeding cylinder is provided with an inlet for a plate to enter, and the other end of the feeding cylinder is provided with an outlet for the plate to flow out; the sheet material feeding device also comprises a driving device and an elastic assembly, and the driving device and the elastic assembly are both arranged outside the feeding cylinder;

the feeding cylinder comprises a flexible ring and a first cylinder body which are sequentially connected, the inlet is arranged on the flexible ring, the outlet is arranged on the first cylinder body, and the flexible ring is bent along the axial direction of the feeding cylinder; one end of the elastic component is connected with one end of the first cylinder body, which is far away from the flexible ring;

the output end of the driving device applies a first acting force to the first cylinder body along the axial direction and then resets, the first acting force enables the feeding cylinder to vibrate along the axial direction, and the feeding cylinder can perform reciprocating motion for multiple times along the axial direction of the feeding cylinder within a certain time under the driving of the elastic restoring force of the elastic assembly;

the feeding cylinder further comprises an annular connecting plate, the annular connecting plate is sleeved at one end, far away from the flexible ring, of the first cylinder body, the first cylinder body penetrates through the annular connecting plate, and the output end of the driving device applies the first acting force to the annular connecting plate;

a plurality of first grooves are formed in the inner wall of the first cylinder body along the circumferential direction at intervals, detection elements are embedded in the first grooves and used for detecting acting force applied to the detection elements by the plate;

the sheet material feeding device also comprises a control module provided with a timing unit, and the control module is electrically connected with the detection element; the control module is arranged to receive a force value from the detection element, the timing unit being adapted to record the duration of the force value;

the control module further comprises a comparator, when the comparator judges that the time fed back by the timing unit is greater than a safety threshold value prestored in the comparator, the control module controls the driving device to apply a first acting force to the first cylinder, and the first acting force is set to be not less than the force value.

Another embodiment of this application provides a gypsum board waste material processing system, including storage silo, breaker, separator and foretell sheet material feed arrangement, sheet material feed arrangement's export insert set up in the pan feeding mouth at breaker cavity top, sheet material feed arrangement's entry with locate the discharge gate of storage silo bottom is linked together.

After the technical scheme is adopted, the embodiment of the application has the following beneficial effects:

the embodiment of the application provides a sheet material feed arrangement with anti-sticking structure, through set up drive arrangement and elastic component outside the section of thick bamboo at a feeding section of thick bamboo, can take place when the cardboard phenomenon in a feeding section of thick bamboo, utilize drive arrangement to apply certain effort to a feeding section of thick bamboo, first effort promptly, make a feeding section of thick bamboo take place the vibration, a feeding section of thick bamboo can carry out a lot of reciprocating motion in the certain time under the drive of elastic component restoring force in addition, accelerate dropping of card waste board in a feeding section of thick bamboo, avoid handling the problem that recovery efficiency reduces owing to the waste board that leads to takes place the cardboard trouble, just also saved the cost that the waste board was recycled again.

Other aspects will be apparent upon reading and understanding the attached drawings and detailed description.

Drawings

The accompanying drawings are included to provide a further understanding of the embodiments herein and are incorporated in and constitute a part of this specification, illustrate embodiments herein and are not to be construed as limiting the embodiments herein.

Figure 1 is a front cross-sectional view of a sheet feeding device according to an embodiment of the present application;

FIG. 2 is an enlarged partial cross-sectional view taken at reference A in FIG. 1;

FIG. 3 is a front cross-sectional view of a gypsum board waste treatment system according to another embodiment of the present application;

fig. 4 is an enlarged partial cross-sectional view of fig. 3 at the point marked B.

Reference numerals are as follows:

100-a plate feeding device;

1-a feeding cylinder;

11-flexible ring, 12-first cylinder, 121-first groove, 122-second groove, 13-annular connecting plate, 14-stop block, 15-sealing pressure plate;

2-a drive device;

3-an elastic component;

4-a detection element;

200-a storage bin;

5-a first feed port, 6-a second feed port, 7-a stirring component, 71-a rotating shaft and 72-a stirring blade;

300-a crushing device;

400-a separation device;

500-a conveying device;

600-dust removing device.

Detailed Description

The technical scheme is further explained by the specific implementation mode in combination with the attached drawings. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations.

In the embodiment of the present application, as shown in fig. 1 to fig. 2, the embodiment of the present application provides a sheet feeding device 100, which includes a feeding cylinder 1, where one end of the feeding cylinder 1 is provided with an inlet through which a sheet enters, and the other end of the feeding cylinder 1 is provided with an outlet through which the sheet flows out. The sheet material feeding device 100 further comprises a driving device 2 and an elastic assembly 3, and the driving device 2 and the elastic assembly 3 are both arranged outside the feeding cylinder 1.

Wherein, a feeding section of thick bamboo 1 is including flexible ring 11 and the first barrel 12 that connects gradually, and the entry is established on flexible ring 11, and the export is established on first barrel 12, and flexible ring 11 has the bending along feeding section of thick bamboo 1's axial, and the one end of elastic component 3 is connected with the one end that flexible ring 11 was kept away from to first barrel 12. The output end of the driving device 2 resets after applying a first acting force to the first cylinder 12, and the feeding cylinder 1 reciprocates under the driving of the restoring force of the elastic component 3.

The sheet feeding device 100 is a sheet feeding device with an anti-jamming structure, and by arranging the driving device 2 and the elastic component 3 outside the feeding cylinder 1, when a jamming phenomenon occurs in the feeding cylinder 1, a certain acting force, namely a first acting force, is applied to the feeding cylinder 1 by using the driving device 2, as shown in fig. 1, the first acting force F is applied to the feeding cylinder 1 along the axial direction for example, and the other applying form principles are the same, and are not further described herein. First effort F makes feeding section of thick bamboo 1 take place the vibration, then, feeding section of thick bamboo 1 can carry out a lot of reciprocating motion in a certain time under elastic restoring force's of elastic component 3 drive, be promptly as the axial reciprocating motion along self of feeding section of thick bamboo 1 shown in figure 1, so multiple motion has accelerated dropping of card waste plate in feeding section of thick bamboo 1, just also avoided because the problem that the waste plate that leads to because of taking place the cardboard trouble handles recovery efficiency low in the transportation of waste plate, just also saved waste plate in addition and recycled's cost. In practical applications, in order to reduce the axial dimension of the sheet feeding device 100, the axial dimension of the flexible ring 11 may be reduced as much as possible, and the radial compression dimension thereof may be increased as appropriate.

In some exemplary embodiments, as shown in fig. 1-2, the feeding cylinder 1 further includes an annular connecting plate 13, the annular connecting plate 13 is sleeved on an end of the first cylinder 12 away from the flexible ring 11, the first cylinder 12 extends through the annular connecting plate 13, and the output end of the driving device 2 applies the first acting force F to the annular connecting plate 13. Wherein, carry out split type design with annular connecting plate 13 and first barrel 12, can realize the differentiation design of selecting materials, because annular connecting plate 13 contacts with drive arrangement 2's output, consequently need have stronger rigidity and wearability, can set up annular connecting plate 13 into carbide material, and first barrel 12 can set up to ordinary steel, and tungsten steel can be selected for use to the carbide material. According to practical application scenarios, such as the size of the annular connection plate 13 and the requirement of the service life of the annular connection plate 13, the annular connection plate 13 may be configured as a common steel substrate with a cemented carbide surface layer, i.e. a layer of cemented carbide material is welded on the common steel substrate.

In addition, the first cylinder 12 is arranged to penetrate through the annular connecting plate 13, that is, as shown in fig. 2, the first cylinder 12 extends out of a section of length along the thickness direction of the annular connecting plate 13, so that when the sheet feeding device 100 is connected to a corresponding using device, the annular connecting plate 13 plays a certain shielding role in a matching gap reserved at the matching position of the two devices, thereby not only improving the visual aesthetic property of the whole device, but also preventing dust generated in the discharging process from emerging from the matching gap to influence the cleanness of the air in a workshop (namely, blocking the diffusion path of the dust) to a certain extent.

In some exemplary embodiments, as shown in fig. 1-2, in order to make the flexible ring 11 have a bending design to provide a variable stroke when the first cylinder 12 vibrates reciprocally, the flexible ring 11 may be made of an elastic material, such as rubber, cloth, or cloth with metal. Wherein, the connection of flexible ring 11 and first barrel 12 can adopt permanent connected mode, welds promptly, also can select removable connected mode for the convenience of increase dismantlement or change for use, the spiro union promptly, or the connection form of clamp, and this text uses flexible ring 11 and first barrel 12 to adopt the welded mode as the example, and other connection forms are no longer repeated.

In some exemplary embodiments, as shown in fig. 1-2, the first cylinder 12 and the annular connecting plate 13 are connected by an interference fit, in order to increase the reliability of the connection, a plurality of second grooves 122 may be provided at intervals in the circumferential direction on the side of the first cylinder 12 away from the flexible ring 11, of course, the feeding cylinder 1 is further provided with a plurality of stoppers 14 matching with the second grooves 122, and after the annular connecting plate 13 and the first cylinder 12 are installed in place, the plurality of stoppers 14 are wedged into the second grooves 122 to strengthen the axial limit of the first cylinder 12. In addition, two driving devices 2 can be arranged and are respectively arranged on two sides of the feeding cylinder 1 along the axial direction, so as to improve the stress balance of the annular connecting plate 13, in addition, when one driving device 2 fails and cannot be normally used, the other driving device 2 can normally work to increase the normal operation time of the plate feeding device 100, only one driving device 2 is arranged in the figure, the driving devices 2 are arranged in the same state, the principle that the driving devices 2 are arranged in a plurality of states is the same, and the description is omitted, and certainly, similarly, a plurality of elastic assemblies 3 can be arranged in one plate feeding device 100, and the arrangement form of the driving devices 2 can be referred to.

In some exemplary embodiments, as shown in fig. 1, the feeding cylinder 1 is further provided with a sealing pressure plate 15, the sealing pressure plate 15 is arranged in a radially extending ring shape, one end of the flexible ring 11 away from the first cylinder 12 is connected with the sealing pressure plate 15, and the sealing pressure plate 15 is further provided with a mounting hole for connecting with other devices.

As shown in fig. 1, the feeding cylinder 1 is provided with a flexible ring 11 and a first cylinder 12 which are connected in sequence, and in other exemplary embodiments, the feeding cylinder 1 is provided with two first cylinders 12, that is, the feeding cylinder 1 includes a first cylinder 12, a flexible ring 11 and another first cylinder 12 which are connected in sequence, which is not shown in the drawing and has the same principle as the structure of the feeding cylinder 1 described above. In the structure, one end of the driving device 2 can be connected to the first cylinder 12, the output end of the driving device 2 acts on the other first cylinder 12, one end of the elastic component 3 is connected to the first cylinder 12, and the other end of the elastic component 3 is connected to the other first cylinder 12.

In some exemplary embodiments, as shown in fig. 2, a plurality of first grooves 121 are spaced apart from each other on the inner wall of the first cylinder 12 along the circumferential direction, and each of the plurality of first grooves 121 has a detection element 4 embedded therein, and the detection element 4 is used for detecting the force applied by the sheet material to the detection element 4. The detection element 4 may be configured as a pressure sensor, wherein the measurement threshold value of the pressure sensor may be adapted. Since the way of inserting the slab is very irregular in a specific feeding operation, the waste slabs are in various forms in the first cylinder 12 when the slab clamping failure occurs, in order to better monitor the situation in the feeding cylinder 1, in other exemplary embodiments, a plurality of first grooves 121 are also arranged at intervals on the inner wall of the first cylinder 12 along the axial direction, and of course, the detecting elements 4 are also embedded in the plurality of first grooves 121.

In addition, in some exemplary embodiments, the sheet feeding device 100 further comprises a control module (not shown in the figures) provided with a timing unit, electrically connected to the detection element 4. The control module is arranged to receive the force value from the detection element 4 and to start a timing unit after the force value has lasted for a set time, wherein the timing unit is arranged to record the duration of the force value. So set up, can get rid of temporary cardboard phenomenon, even that is to say even take place the cardboard, also can be in the operation of the useless board unloading afterwards, the useless board of back whereabouts is washed the cardboard and is eliminated the cardboard trouble in order to accomplish by oneself. In addition, the phenomenon of false jamming, that is, the waste plate touches the detection element 4 due to accidental factors in the falling process, and the acting force applied to the detection element 4 also reaches the detection threshold preset in the detection element 4, can be eliminated, but in the above case, the driving device 2 in the sheet feeding device 100 does not need to be started, that is, the sheet feeding device 100 only plays a simple connection role at this time.

In some exemplary embodiments, the control module further includes a comparator, and when the comparator determines that the time fed back by the timing unit is greater than a safety threshold prestored in the comparator, the control module controls the driving device 2 to apply the first acting force F to the first barrel 12, and the first acting force F is set to be not less than the force value detected by the detecting element 4. Wherein the value of the first acting force F applied to the first cylinder 12 by the driving device 2 can be set to a value 1.2 times that detected by the detecting element 4, with a safety factor commonly used in general engineering. In some special cases, it is not excluded that the jamming phenomenon still exists after the vibration operation, that is, the operation does not completely solve the jamming phenomenon, and the control module may be configured to increase the safety factor on the basis of the first acting force F, for example, the safety factor may be 2 times of the detection force value or more times of the impact force.

In another embodiment of the present application, as shown in fig. 3-4, there is provided a gypsum board waste treatment system, which includes a storage bin 200, a crushing device 300, a separating device 400, and the above-mentioned sheet material feeding device 100, wherein an outlet of the sheet material feeding device 100 is inserted into a material inlet disposed at the top of a cavity of the crushing device 300, and an inlet of the sheet material feeding device 100 is communicated with a material outlet disposed at the bottom of the storage bin 200. The crushing device 300 may be a hammer crusher, as shown in fig. 3, but other types of crushers may be used, and will not be described herein. Wherein, separator 400 can select the shale shaker formula, also can select the drum-type for use, select the drum-type for use as shown in fig. 3, separator 400 of other forms is no longer expanded here and is repeated repeatedly, can set up conveyor 500 in the region between breaker 300 and separator 400 according to actual conditions, conveyor 500 can select the form of conveyer belt, can design seal structure on the conveyer belt, so as to prevent the produced dust of powder in transmission process, conveyor 500 can upwards incline certain angle, as shown in fig. 3, when waste material gets into separator 400, the waste material presents certain scattering state with the help of self gravity, be favorable to the separation of paperboard.

The storage bin 200 is used for storing and outputting the waste boards after coarse crushing treatment, and according to the size of the waste boards after actual coarse crushing treatment, a first vibrating screen (not shown in the figure) can be arranged in front of the storage bin 200 and used for screening the waste boards after coarse crushing treatment in a grading manner, the waste materials meeting the requirements are directly conveyed to a waste material storage cabin, that is, only the waste boards after coarse crushing meet the recycling conditions (not shown in the waste material storage cabin figure), and the waste boards needing secondary refining and crushing are subjected to subsequent reprocessing through the gypsum board waste material processing system.

In addition, in order to reduce the hard contact noise at the matching position of the sheet feeding device 100 and the crushing device 300, a noise reduction layer can be arranged at the matching area of the two, both of which are arranged or only one of which is arranged, and the noise reduction layer can be selected by self.

In the case that the annular connecting plate 13 is provided in the sheet feeding device 100, the axial position of the annular connecting plate 13 on the first cylinder 12 is based on the stroke of the feeding cylinder 1 that does not affect the reciprocating motion driven by the elastic restoring force of the elastic component 3. In addition, the length of the outlet side of the plate feeding device 100 inserted into the feeding port of the cavity of the crushing device 300, namely the overlapping amount of the outlet side and the feeding port along the axial direction, is subject to the condition that the feeding cylinder 1 is not separated from the cavity of the crushing device 300 (axially separated) during reciprocating vibration.

In some exemplary embodiments, as shown in fig. 3, the gypsum board waste processing system further includes a dust removing device 600, the dust removing device 600 is communicated with more than one opening (not shown) on the cavity wall of the crushing device 300, the dust removing device 600 is used for absorbing the powder in the crushing cavity of the crushing device 300, wherein the dust removing device 600 is set to be communicated with a plurality of openings on the cavity wall of the crushing device 300, on one hand, the recovery speed of the gypsum powder in the cavity is increased, and the leakage of the gypsum powder (the gypsum powder formed in the crushing process) can be reduced or avoided as much as possible, that is, the powder flies out from the gap in the device, which is cooperatively connected with the device, so as to affect the cleanliness of the air in the workshop. On the other hand, the opening is arranged on the wall of the crushing cavity of the crushing device 300, so that the flying state of gypsum powder generated by the waste board in the crushing process can be utilized, the recovery operation of the dust removal device 600 is facilitated, the recovery cost can be reduced, and the energy consumption can be saved. In addition, the recovered gypsum powder can be used as a coagulant in the gypsum board production process after being reprocessed and is recycled.

The dust collector 600 may be a bag-type dust collector, or other types of powder recycling equipment may be used. In addition, according to the powder with different particle sizes generated in different processes of the waste board in the treatment process, corresponding powder recovery devices can be arranged, the principle is the same as that described above, and the detailed description is omitted here.

In some exemplary embodiments, as shown in fig. 3, the storage bin 200 is a conical bin, a first feeding hole 5 and a second feeding hole 6 are arranged on the wall of the conical bin, the first feeding hole 5 is used for conveying dry plates into the conical bin, the second feeding hole 6 is used for conveying wet plates into the conical bin, a stirring assembly 7 is arranged at the top of the conical bin, and the stirring assembly 7 is inserted into a mixing plate composed of the dry plates and the wet plates to stir the mixing plate. Above-mentioned setting can carry out the premixing with the waste plate before getting into sheet material feed arrangement 100, and in practical application, wet board blocks more easily on sheet material feed arrangement 100's section of thick bamboo wall and causes the cardboard, also can be because wet board adhesion leads to the fact the narrowing of discharge passage in sheet material feed arrangement 100's section of thick bamboo wall, influences the flow of waste plate, reduces crushing efficiency.

The stirring assembly 7 comprises a rotating shaft 71 and a plurality of stirring blades 72, one end of the rotating shaft 71 is connected with a motor (not shown in the figure), the plurality of stirring blades 72 are arranged on the outer wall of the rotating shaft 71 at intervals, the rotating shaft 71 and the stirring blades 72 arranged on the rotating shaft carry out premixing operation on the mixed plate under the driving of the motor, namely, the outer surface of the wet plate is coated with a dry plate, so that the probability of the occurrence of a clamping plate fault is reduced, meanwhile, the corrosion to the inner wall of the component caused by the adhesion of the wet plate is reduced, and the inner wall of the component comprises the inner wall which is possibly adhered in a gypsum board waste treatment system.

In some exemplary embodiments, the storage bin 200 further comprises a first flow meter (not shown) and a second flow meter (not shown), the first flow meter being disposed at the first feed opening 5 for monitoring the transport amount of the dry plate; the second flowmeter is arranged at the second feeding hole 6 and used for monitoring the conveying capacity of the wet plate so as to realize real-time monitoring of the proportion of the dry plate and the wet plate in the mixing plate.

In some exemplary embodiments, the storage bin 200 further comprises a third flow meter (not shown in the figures) disposed at the discharge port of the storage bin 200 for monitoring the output of the mixing plate, so as to realize real-time monitoring of the output of the mixing plate.

In addition, for the case that the mixing ratio of the dry plate and the wet plate needs to be adjusted in real time, and also for improving the automation degree of the plate mixing operation, a first valve (not shown in the figure) may be disposed on the conveying pipeline of the dry plate, a second valve (not shown in the figure) may be disposed on the conveying pipeline of the wet plate, and the first valve, the second valve, the first flow meter, the second flow meter, and the third flow meter are all electrically connected to the control system, so as to implement real-time automatic adjustment of the mixing ratio of the dry plate and the wet plate, and real-time automatic adjustment of the discharge flow.

In the description herein, the terms "upper", "lower", "one side", "the other side", "one end", "the other end", "side", "opposite", "four corners", "periphery", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing embodiments of the present application and simplifying the description, but do not indicate or imply that the structures referred to have particular orientations, are constructed and operated in particular orientations, and thus, are not to be construed as limiting the present disclosure.

In the description of the embodiments of the present application, unless otherwise explicitly specified or limited, the terms "connected," "directly connected," "indirectly connected," "fixedly connected," "mounted," and "mounted" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; the terms "mounted," "connected," and "fixedly connected" may be directly connected or indirectly connected through intervening media, or may be connected through two elements. The specific meaning of the above terms herein can be understood in a specific context to one of ordinary skill in the art.

Although the embodiments disclosed herein are described above, the descriptions are only for the convenience of understanding the embodiments and are not intended to limit the disclosure. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure, and it is intended that the scope of the disclosure be defined by the appended claims.

Claims (6)

1. A plate feeding device (100) comprises a feeding cylinder (1), wherein one end of the feeding cylinder (1) is provided with an inlet for a plate to enter, and the other end of the feeding cylinder (1) is provided with an outlet for the plate to flow out; the sheet material feeding device (100) is characterized by further comprising a driving device (2) and an elastic assembly (3), wherein the driving device (2) and the elastic assembly (3) are arranged outside the feeding cylinder (1);

the feeding cylinder (1) comprises a flexible ring (11) and a first cylinder body (12) which are sequentially connected, the inlet is formed in the flexible ring (11), the outlet is formed in the first cylinder body (12), and the flexible ring (11) is bent along the axial direction of the feeding cylinder (1); one end of the elastic component (3) is connected with one end of the first cylinder (12) far away from the flexible ring (11);

the output end of the driving device (2) applies a first acting force to the first cylinder (12) along the axial direction and then resets, the first acting force enables the feeding cylinder to vibrate along the axial direction, and the feeding cylinder (1) can perform reciprocating motion for multiple times along the axial direction of the feeding cylinder within a certain time under the driving of the elastic restoring force of the elastic component (3);

the feeding cylinder (1) further comprises an annular connecting plate (13), the annular connecting plate (13) is sleeved at one end, far away from the flexible ring (11), of the first cylinder body (12), the first cylinder body (12) penetrates through the annular connecting plate (13), and the output end of the driving device (2) applies the first acting force to the annular connecting plate (13);

a plurality of first grooves (121) are formed in the inner wall of the first cylinder (12) along the circumferential direction at intervals, detection elements (4) are embedded in the first grooves (121), and the detection elements (4) are used for detecting acting force applied to the detection elements (4) by the plate;

the plate feeding device (100) further comprises a control module provided with a timing unit, and the control module is electrically connected with the detection element (4); the control module is arranged to receive a force value from the detection element (4), the timing unit being adapted to record the duration of the force value;

the control module further comprises a comparator, when the comparator judges that the time fed back by the timing unit is greater than a safety threshold value prestored in the comparator, the control module controls the driving device (2) to apply a first acting force to the first cylinder (12), and the first acting force is set to be not less than the force value.

2. A gypsum board waste treatment system, comprising a storage bin (200), a crushing device (300) and a separating device (400), and further comprising the sheet feeding device (100) of claim 1, wherein an outlet of the sheet feeding device (100) is inserted into a feeding port arranged at the top of a cavity of the crushing device (300), and an inlet of the sheet feeding device (100) is communicated with a discharging port arranged at the bottom of the storage bin (200).

3. A gypsum board waste disposal system as defined in claim 2, further comprising a dust removal device (600), wherein said dust removal device (600) is in communication with one or more openings provided in the chamber wall of said crushing device (300), said dust removal device (600) being adapted to absorb powder from the crushing chamber of said crushing device (300);

wherein the dust removal device (600) is configured as a bag house.

4. A gypsum board waste treatment system according to claim 2 or 3, wherein the storage bin (200) is a conical bin, a first feed inlet (5) and a second feed inlet (6) are arranged on the wall of the conical bin, the first feed inlet (5) is used for conveying dry boards into the conical bin, the second feed inlet (6) is used for conveying wet boards into the conical bin, a stirring assembly (7) is arranged at the top of the conical bin, and the stirring assembly (7) is inserted into a mixing plate formed by the dry boards and the wet boards so as to stir the mixing plate.

5. The gypsum board waste treatment system of claim 4, wherein the storage bin (200) further comprises a first flow meter and a second flow meter, the first flow meter being disposed at the first feed opening (5) for monitoring the delivery of the dry board; the second flow meter is arranged at the second feed opening (6) and is used for monitoring the conveying amount of the wet plate.

6. A gypsum board waste treatment system according to claim 5, wherein the storage bin (200) further comprises a third flow meter arranged at the discharge of the storage bin (200) for monitoring the output of the mixing plate.

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